JDK-8252675 : [macos] DropTargetInInternalFrameTest.html failed on macOS
  • Type: Bug
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 16
  • Priority: P4
  • Status: Closed
  • Resolution: Duplicate
  • Submitted: 2020-09-01
  • Updated: 2020-09-01
  • Resolved: 2020-09-01
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Related Reports
Duplicate :  
JDK-8242805 - The macOS toolkit does not support ACTION_COPY DnD action via CTRL+Click
Description
java/awt/dnd/DropTargetInInternalFrameTest/DropTargetInInternalFrameTest.html failed on macOS  

java.lang.NullPointerException: Cannot read field "parent" because "comp" is null
	at java.desktop/java.awt.Container.addImpl(Container.java:1117)
	at java.desktop/java.awt.Container.add(Container.java:436)
	at DropTargetPanel.drop(DropTargetInInternalFrameTest.java:288)
	at java.desktop/java.awt.dnd.DropTarget.drop(DropTarget.java:452)
	at java.desktop/sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:547)
	at java.desktop/sun.lwawt.macosx.CDropTargetContextPeer.processDropMessage(CDropTargetContextPeer.java:129)
	at java.desktop/sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:863)
	at java.desktop/sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:787)
	at java.desktop/sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:48)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4855)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4822)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4919)
	at java.desktop/java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:4622)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4484)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2769)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4822)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
STATUS:Failed.Applet thread threw exception: java.lang.NullPointerException: Cannot read field "parent" because "comp" is null
Comments
This test emulates CTRL-click + Dnd action and assumes that the COPY action will be produced. Before the JDK-8242174, the robot skips CTRL+click so the test passed. Now robot properly generate CTRL-click and this bug is uncovered: JDK-8242805
01-09-2020
Started to fail regularly since Jun 16th 2020
01-09-2020